package util;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

	
	private static final SessionFactory sessionFactory = buildSessionFactory() ;
	
	public static SessionFactory getSessionfactory() {
		return sessionFactory;
	}

	public static SessionFactory buildSessionFactory(){
	 	try {
            // Create the SessionFactory from hibernate.cfg.xml
            return new Configuration().configure().buildSessionFactory();
        }
        catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
	}
	
	public static void shutdown() {
    	// Close caches and connection pools
    	getSessionfactory().close();
    }
}
